Lead Software Engineer

Benefits

• Competitive salary
• Comprehensive benefits package
• Opportunity to work with cutting edge technology in a collaborative, small-team environment
• A critical role with significant responsibility

Responsibilities

• Own the web application platform and help shape its technical direction
• Lead a small software team while staying hands-on with development
• Design, build, and maintain full stack web applications using React, JavaScript, Node.js, and AWS
• Develop applications that support real-time monitoring and control of emergency communication equipment
• Decide on architecture, data flow, APIs, deployment, monitoring, and maintainability
• Prioritize technical work and balance product needs with long-term engineering quality
• Collaborate with AWS services such as Lambda, API Gateway, DynamoDB, CloudWatch, and IoT Core
• Build features that interact with physical devices using MQTT, AWS IoT, or related technologies
• Improve software development practices, including code reviews, testing, documentation, and deployment workflows
• Mentor junior and mid-level engineers as the team grows

Requirements

• 5+ years of professional software development experience
• Experience guiding technical work or leading a small engineering team
• Proven track record building and supporting production web applications
• Strong JavaScript and TypeScript skills
• Professional experience with React or a similar frontend framework
• Backend experience with Node.js or similar server-side technologies
• Experience designing and working with APIs
• Experience with AWS or similar cloud platforms
• Strong experience with infrastructure as code such as CloudFormation or Terraform
• Solid understanding of application architecture, maintainability, security, and reliability
• Ability to work independently, make technical decisions, and own a product area
• Bachelor’s degree required

Technologies

• React
• JavaScript
• TypeScript
• Node.js
• AWS
• Lambda
• API Gateway
• DynamoDB
• CloudWatch
• IoT Core
• MQTT
• AWS IoT
• CloudFormation
• Terraform
• IAM
• WebSocket

Salary

USD 100,000 to 155,000 per year

About us

Kingfisher Company Inc. KCi is a small, innovative electronics design and manufacturing company focused on emergency communication equipment for the fire alarm industry. We are seeking a hands-on, motivated Lead Software Engineer to join the team. This role supports the quality, efficiency, and reliability of our products from design validation through production.

Location

On site in Lowell, MA (ZIP 01854). Relocation not available.